Question

Which of the following represents the depolarisation of the ventricles?

• A. P-wave
• B. T-wave
• C. QRS complex
• D. PQ interval

Answer 1

Answer:

C. QRS complex

• The QRS complex represents the depolarisation of the ventricles, which initiate the ventricular contraction.

• The contraction starts shortly after Q and marks the beginning of the systole.